content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.operators;
  
  import io.reactivex.common.*;
  import io.reactivex.common.internal.disposables.DisposableHelper;
  import io.reactivex.observable.*;
  
  public final class ObservableDematerialize<T> extends AbstractObservableWithUpstream<Notification<T>, T> {
  
      public ObservableDematerialize(ObservableSource<Notification<T>> source) {
          super(source);
      }
  
      @Override
      public void subscribeActual(Observer<? super T> t) {
          source.subscribe(new DematerializeObserver<T>(t));
      }
  
      static final class DematerializeObserver<T> implements Observer<Notification<T>>, Disposable {
          final Observer<? super T> actual;
  
          boolean done;
  
          Disposable s;
  
          DematerializeObserver(Observer<? super T> actual) {
              this.actual = actual;
          }
  
          @Override
          public void onSubscribe(Disposable s) {
              if (DisposableHelper.validate(this.s, s)) {
                  this.s = s;
  
                  actual.onSubscribe(this);
              }
          }
  
  
          @Override
          public void dispose() {
              s.dispose();
          }
  
          @Override
          public boolean isDisposed() {
              return s.isDisposed();
          }
  
  
          @Override
          public void onNext(Notification<T> t) {
              if (done) {
                  if (t.isOnError()) {
                      RxJavaCommonPlugins.onError(t.getError());
                  }
                  return;
              }
              if (t.isOnError()) {
                  s.dispose();
                  onError(t.getError());
              }
              else if (t.isOnComplete()) {
                  s.dispose();
                  onComplete();
              } else {
                  actual.onNext(t.getValue());
              }
          }
  
          @Override
          public void onError(Throwable t) {
              if (done) {
                  RxJavaCommonPlugins.onError(t);
                  return;
              }
              done = true;
  
              actual.onError(t);
          }
          @Override
          public void onComplete() {
              if (done) {
                  return;
              }
              done = true;
  
              actual.onComplete();
          }
      }
  }
  